Doorknob cover



FIG. 1 is a perspective view of the doorknob cover showing my new design;

FIG. 2 is a side elevational view of the left side of the doorknob cover;

FIG. 3 is a side elevational view of the right side of the doorknob cover;

FIG. 4 is a front elevational view of the doorknob cover;

FIG. 5 is a top plan view of the doorknob cover;

FIG. 6 is a bottom plan view of the doorknob cover; and,

FIG. 7 is a rear elevational view of the doorknob cover. 

The ornamental design for a doorknob cover, as shown and described. 